How to use enum attributes in Ruby on Rails

Enums, or enumerations, are an incredibly common way to represent options for an attribute of a model in Rails. If a model has an attribute-like status, it is often a string with predefined options. In Rails, you can represent this as an integer and automatically convert it to a string using built-in methods! This makes presenting options to a user as strings while storing these selections as a number straightforward and maintainable.In this article, we'll discuss why you might want to use enums in your code, how to add an enum attribute to an existing table, how to create a new table with an enum, and how to use enums in your application.